diff --git a/Chapter 1 - Getting started.ipynb b/Chapter 1 - Getting started.ipynb
index 746f5bab..7af0d790 100644
--- a/Chapter 1 - Getting started.ipynb	
+++ b/Chapter 1 - Getting started.ipynb	
@@ -1566,7 +1566,7 @@
      "collapsed": false,
      "input": [
       "word = \"rocket sience\"\n",
-      "if \"a\" and 's' in word:# and 's' in word:\n",
+      "if \"a\" in word and 's' in word:# and 's' in word:\n",
       "    print(word + \" contains the letter a and s\")\n",
       "elif \"s\" in word:\n",
       "    print(word + \" contains the letter s\")\n",
@@ -2201,4 +2201,4 @@
    "metadata": {}
   }
  ]
-}
\ No newline at end of file
+}